Eye Injuries Clinical Trial
Official title:
Visual Outcome of Traumatic Posterior Segment Complications in Upper Egypt :Tertiary Center Study
to identify the demographic, the clinical characteristics and the possible predictive factors affecting long-term visual outcomes of traumatic posterior segment complications presenting to Assiut University Hospital.
Ocular trauma is an important public health problem which is preventable and its etiology,
severity, and outcome depends on many factors in the changing environment . Even eyes
represent only 0.27% of the body surface area and 4% of the facial area, they are the third
most commonly trauma-exposed area after the hands and feet . It is estimated that, worldwide,
there are approximately 1.6 million people blind from eye injuries, 2.3 million bilaterally
visually impaired and 19 million with unilateral visual loss; these facts make ocular trauma
the most common cause of unilateral blindness . In population-based surveys, the percentage
of monocular blindness due to trauma ranged from 20% to 50% and of bilateral blindness from
3.2% to 5.5% .
Ocular injuries vary with a broad range of severity and include simple subconjunctival
injury, lid laceration, corneal abrasion, traumatic iritis, hyphaema, lens injury, vitreous
haemorrhage (VH) , retinal detachment, traumatic optic neuropathy, retrobulbar haemorrhage,
orbital fracture, and ruptured globes. Ocular injuries are classified into 2 groups as open
and close globe injuries. Ruptured globes fall into the category of open globe injuries,
which are injuries resulting in a full-thickness laceration of the cornea and/or sclera.
Wounds can be penetrating (with one entry wound and no exit wound), or perforating (a
through-and-through injury with both entrance and exit wounds) . Closed globe injuries
resulting from blunt trauma can cause hyphaema, vitreous haemorrhage, retinal tears and
detachment, choroidal rupture, macular oedema, and even globe rupture, retrobulbar
haemorrhage and traumatic optic neuropathy .
In Kasr El Aini Hospital The majority of ocular trauma in their population was due to
assaultive injuries occurring mainly in males. Open globe injuries were more common than
closed globe injuries, and globe lacerations were more common than ruptured globes .
IN Upper Egypt Pediatric ocular trauma among patients referred to their tertiary
ophthalmology referral center over a period of 1 year was 3.7%. Of these, 67.3% of cases had
open globe injury, 30.7% had closed injury, and only 2% had chemical injury.
Posterior segment ocular trauma is still an important cause of visual loss and disability in
working-age population. With modern surgical approaches, many eyes can be salvaged with
retention of vision(9). These complications are retinal detachment (RD), vitreous
hemorrhage(VH), posterior intraocular foreign body (IOFB), dislo-cated lens, choroidal
detachment(10)
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